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In recent years, 304 stainless steel tubes have become increasingly popular. Compared to 304 stainless steel tubes, the 201-grade stainless steel tubes have relatively poor corrosion resistance and are not recommended for use in consistently humid environments or coastal areas. They are mainly used in drier regions and in applications with lower quality requirements. On the other hand, 304 stainless steel tubes offer excellent corrosion resistance and are often suitable for humid environments or coastal regions such as Guangdong, Fujian, Zhejiang, and other coastal provinces.

Due to the stable chemical properties of stainless steel and its complete harmlessness to human health, stainless steel materials are widely used in medical applications. Both internationally and domestically, they're employed in various medical implants including stents, splints, and internal fixation screws.

The bright annealing furnace must be tightly sealed and isolated from external air. If hydrogen is used as the protective gas, only one exhaust port is needed.